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Finding the Fourth Proportional to 104,996, 144,894.48 and 67,292.12

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Solution

The fourth proportional to 104,996, 144,894.48 and 67,292.12 is: 92,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,996 : 144,894.48 = 67,292.12 : x
  2. Step 2: Convert to fraction form
    104,996/144,894.48 = 67,292.12/x
  3. Step 3: Cross multiply
    104,996x = 144,894.48 × 67,292.12
  4. Step 4: Simplify right side
    104,996x = 9,750,256,735.50
  5. Step 5: Solve for x
    x = 9,750,256,735.50/104,996
  6. Step 6: Final answer
    x = 92,863.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.